Cannot access value of elements in XML through XSL

I have an XML file which I need to transform to some other XML.

The XML file makes use of namespaces, so I included the definition of those in my XSL file to.

For some reason I cannot explain, the value-of selects give no value back.

Just to make sure it has nothing to do with the names of elements with namespaces I also included en element "id" between the elements with dcterms: in the name.

To make it easy I provide the link to the XML file which has an inline reference to the XSL file used: http://ift.tt/1mRhJTq